|WARNING| pw116050 [PATCH] [v2, 3/5] lib: move mbuf next pointer to first cache line

[dpdklab at iol.unh.edu]

Test-Label: iol-testing
Test-Status: WARNING
http://dpdk.org/patch/116050

_apply patch failure_

Submitter: Shijith Thotton <sthotton at marvell.com>
Date: Wednesday, September 07 2022 13:43:38 
Applied on: CommitID:4aee6110bb10b0225fa9562f2e48af233a9058a1
Apply patch set 116050 failed:

Checking patch lib/mbuf/rte_mbuf_core.h...
error: while searching for:
		 * working on vector drivers easier.
		 */
		rte_iova_t buf_iova __rte_aligned(sizeof(rte_iova_t));
		/**
		 * Reserved for dynamic field in builds where physical address
		 * field is invalid.
		 */
		uint64_t dynfield2;
	};

	/* next 8 bytes are initialised on RX descriptor rearm */

error: patch failed: lib/mbuf/rte_mbuf_core.h:590
Hunk #2 succeeded at 701 (offset -13 lines).
Checking patch lib/meson.build...
Applying patch lib/mbuf/rte_mbuf_core.h with 1 reject...
Rejected hunk #1.
Hunk #2 applied cleanly.
Applied patch lib/meson.build cleanly.
diff a/lib/mbuf/rte_mbuf_core.h b/lib/mbuf/rte_mbuf_core.h	(rejected hunks)
@@ -590,11 +590,14 @@ struct rte_mbuf {
 		 * working on vector drivers easier.
 		 */
 		rte_iova_t buf_iova __rte_aligned(sizeof(rte_iova_t));
+#if RTE_IOVA_AS_VA
 		/**
-		 * Reserved for dynamic field in builds where physical address
-		 * field is invalid.
+		 * Next segment of scattered packet.
+		 * This field is valid when physical address field is invalid.
+		 * Otherwise next pointer in the second cache line will be used.
 		 */
-		uint64_t dynfield2;
+		struct rte_mbuf *next;
+#endif
 	};
 
 	/* next 8 bytes are initialised on RX descriptor rearm */

https://lab.dpdk.org/results/dashboard/patchsets/23446/

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